package lab02.test12;

/**
 * Created by V555 on 2017/10/24.
 */
public class Shape {
    //属性：长、宽、半径
    double length;
    double width;
    int radius;
    double area;
    double perimeter;
    //方法：周长、面积
    void area(){
    }

    void perimeter(){
    }

}
